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參數(shù)資料
| 型號： | LA7337 |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP28 |
| 封裝： | DIP-28 |
| 文件頁數(shù)： | 3/7頁 |
| 文件大?。?/td> | 122K |
| 代理商： | LA7337 |
No. 5288-3/7
LA7337
Continued from preceding page.
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
V6 = 0 V, SW8B = on, SW14 = on,
Playback equalization center frequency (1)
FEQP1
V14 = V14R, S13 = sine wave
1.0608
1.0715
1.0822
MHz
(50 mVp-p, f = 1 to 1.2 MHz), V16 = 5 V,
S27 = composite sync.
Playback equalization center frequency (2)
FEQP2
As above, except V6 = 4 V
1.0788
1.0895
1.1002
MHz
V6 = 0 V, SW8B = on, SW14 = on,
Playback equalization characteristics (1)
VEQPC
V14 = V14R, S13 = sine wave
120
150
180
mVp-p
(50 mVp-p, f = FEQP1), V16 = 5 V,
S27 = composite sync.
As above, except S13 = sine wave
Playback equalization characteristics (2)
GEQPL
(50 mVp-p, f = 950 kHz), taking VEQP as the
–14
–11
–8
dB
reference (0 dB).
As above, except S13 = sine wave
Playback equalization characteristics (3)
GEQPH
(50 mVp-p, f = 1.2 MHz), taking VEQP as the
–14
–11
–8
dB
reference (0 dB).
SW1 = on, V1 = 5 V, V5 = V6 = 0 V,
Playback bell center frequency (1)
FBLP1
SW8A = SW8B = on, V16 = 5 V,
4.243
4.286
4.329
MHz
S27 = composite sync., S8 = sine wave
(200 mVp-p, f = 1 to 1.2 MHz),
Playback bell center frequency (2)
FBLP2
As above, except V5 = 4 V
4.493
4.536
4.579
MHz
SW1 = on, V1 = 5 V, V5 = V6 = 0 V,
Playback bell characteristics (1)
VBLPC
SW8A = SW8B = on, S8 = sine wave
65
85
105
mVp-p
(200 mVp-p, f = FBLP
× 1/4), V16 = 5 V,
S27 = composite sync.
As above, except S8 = sine wave
Playback bell characteristics (2)
GBLPL
(200 mVp-p, f = 950 kHz), taking VBLPC as
8
11
14
dB
the reference (0 dB).
As above, except S8 = sine wave
Playback bell characteristics (3)
GBLPH
(200 mVp-p, f = 1.2 MHz), taking VBLPC as
8
11
14
dB
the reference (0 dB).
SW1 = on, V1 = 5 V, V5 = V6 = 0 V, V16 = 5 V,
Playback chrominance signal output level
VOP
S13 = sine wave (200 mVp-p, f = 1.1 MHz),
130
160
190
mVp-p
SW8B = on, S27 = composite sync.
Playback chrominance signal output
As above, except measure the 2.2 MHz
unnecessary spectrum (1)
GSP1
component in the T17 signal. Taking VOP as
–25
–15
dB
the reference (0 dB).
Playback chrominance signal output
As above, except measure the 3.3 MHz
unnecessary spectrum (2)
GSP2
component in the T17 signal. Taking VOP as
–20
–10
dB
the reference (0 dB).
CLK input level
VCLK
f = 4.433619 MHz
100
200
800
mVp-p
Synchronizing signal input threshold level
VTHS
1.8
2
2.2
V
SW1 = on, V1 = 5 V, V5 = V6 = 0 V, V16 = 0 V,
Record mode sync gate start time (muting off)
TRGB
S15 = sine wave (200 mVp-p, f = 4.286 MHz),
–0.3
+0.2
+0.7
s
SW21B = on, S27 = composite sync.
Record mode sync gate start time (muting on)
TRGBM
As above, except SW2 = on
1.5
2
2.5
s
Record mode sync gate release time
TRGE
As above
4.5
5.0
5.5
s
Record mode mute setting resistance
VTSP2
10
20
30
k
SW1 = on, V5 = V6 = 0 V, SW8B = on,
Playback mode sync gate start time
TPGB
S13 = sine wave (50 mVp-p, f = 1.0715 MHz),
1.5
2
2.5
s
V16 = 5 V, S27 = composite sync.
Playback mode sync gate release time
TPGE
As above
4.5
5.0
5.5
s
BGP start time
TBGB
V5 = 0 V, V6 = 5 V, SW21B = on, V16 = 0 V,
6.0
6.5
7.0
s
S27 = composite sync.
BGP amplitude
TBGW
As above
2.0
2.5
3.0
s
SECAM discriminator output resistance
R26
SW25 = on, V25 = 5 V
7
10
13
k
Record mode SECAM discriminator
V5 = V6 = 0 V, V16 = 0 V, SW21B = on,
characteristics (1)
VSCMR1
S27 = composite sync., S15 = SECAM color
4.5
V
bar signal
Record mode SECAM discriminator
VSCMR2
As above, except S15 = PAL color bar signal
0.5
V
characteristics (2)
Continued on next page.
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